olilarepajajhunrey
olilarepajajhunrey olilarepajajhunrey
  • 21-02-2021
  • Mathematics
contestada

What is the product of ( 8 – j10 ) and ( 6 + j4) in rectangular form?
a) 48 – j 60
b) 88 – j 28
c) 38 + j 28
d) 48 + j 60​

Respuesta :

jimrgrant1 jimrgrant1
  • 21-02-2021

Answer:

b

Step-by-step explanation:

Given

(8 - j10)(6 + j4) ← expand factors using FOIL

= 48 + j32 - j60 - j²40 [ j² = - 1 ]

= 48 - j28 + 40

= 88 - j28 → b

Answer Link

Otras preguntas

Simplify 7(x + 3). xxxxxxxxxxx
On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 4.80 kg , and on this particular planet its weight is 41.5 N . You may want to r
why is it difficult to obtain oxygen from water​
Georgia's leading source of revenue brings in more money than sales and fuel taxes combined. three times the amount from corporate income taxes. ten times the a
As human travel increases, the number of introduced species likely O decreases o increases Ostays the same. O is eliminated
1 3/4 x 4 1/6 whats answer
Select all of the following that are equal to an impulse of 20 units.O A. Force = 25, time = 0.8B. Force = 5, time = 5.5O C. Force = 0.1, time = 200] D. Force =
How should you treat people that are not fair to you?
what similarities do you notice in what happened to the population with mutations and to the population without mutations?​
According to this stanza, what is the purpose of imperialism? Take up the White Man's burden- Send forth the best ye breed- Go bind your sons to exile To serve